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Bosch AL3387X Alternator
Reliable Remanufactured Alternator for Toyota Corolla
The Bosch AL3387X Alternator (Remanufactured) is designed to provide dependable electrical charging performance for Toyota Corolla vehicles. Engineered to meet OEM specifications, this 12-volt alternator ensures consistent power delivery and efficient operation.
- 12-volt electrical system compatibility
- 115-amp amperage rating for stable charging
- Internal fan type with clockwise rotation direction
- Includes pulley with 6 grooves and 56.4 mm outside diameter
- Aluminum case material and color for durability and heat dissipation
- Internal regulator type for integrated voltage control
- Plug type 367 with 7-pin rear view main mounting ear at 6 o'clock
- Remanufactured unit meeting original equipment standards
About the Bosch Alternator (Remanufactured) Product Line
The Bosch Alternator (Remanufactured) line offers high-quality, factory-tested alternators that restore vehicle charging systems to original equipment performance. Each unit undergoes rigorous remanufacturing processes to ensure reliability and longevity. The AL3387X model is part of this line, providing a cost-effective solution for Toyota Corolla owners seeking a durable replacement alternator.
Detailed Product Description
This Bosch AL3387X alternator features a 12-volt system with a 115-amp output, suitable for maintaining the electrical demands of the Toyota Corolla. The internal fan design and clockwise rotation optimize cooling and efficiency. The included pulley has six grooves (6s type) with a 56.4 mm diameter, compatible with the vehicle's belt system. Constructed with an aluminum case, this alternator offers enhanced heat dissipation and corrosion resistance. The internal voltage regulator ensures stable electrical output without the need for an external regulator. The plug type 367 and 7-pin rear mounting ear at 6 o'clock provide secure and precise installation.
Common Issues Addressed by This Alternator
- Battery not charging or frequent battery drain
- Dimming or flickering vehicle lights
- Electrical system warning lights on the dashboard
- Unusual noises from the alternator pulley or bearings
- Failure to start due to insufficient electrical power
Installation Notes and Tips
When installing the Bosch AL3387X alternator on a Toyota Corolla, ensure the battery is disconnected to prevent electrical shorts. Verify the pulley alignment and belt tension to avoid premature wear. The internal regulator eliminates the need for external voltage control, simplifying installation. Use the 7-pin plug and mounting ear at 6 o'clock for proper fitment. It is recommended to inspect the belt and related components during installation for optimal performance.
Quality Assurance and Warranty
This remanufactured alternator is built to meet or exceed original equipment manufacturer standards. Bosch applies strict quality control measures during remanufacturing to ensure reliable operation. While specific warranty details are not provided here, Bosch remanufactured alternators typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Bosch |
| Part Number | AL3387X |
| Position | Alternator (Remanufactured) |
| Amperage Rating | 115 |
| Case Color | Aluminum |
| Case Material | Aluminum |
| Cases Per Pallet (ORLY) | 60 |
| External Fan Included | No |
| External Regulator Included | No |
| Fan Type | Internal |
| New Or Remanufactured | Remanufactured |
| One Wire Capable | No |
| Original Equipment Manufacturer Names | VA |
| Outside Pulley Diameter | 56.4 |
| Plug Clock Rear View Main Mounting Ear at 6 O Clock | 7 |
| Plug Type | 367 |
| Pulley Groove Quantity | 6 |
| Pulley Included | Yes |
| Pulley Type | 6S |
| Pulley Type / Belt Type (Alternator) | 6S-CP |
| Regulator Type | Internal |
| Rotation Direction | Clockwise |
| Voltage | 12 |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2019 | Toyota | Corolla | Sedan | 1.8L | L4 | N/A | To 115 Amp Alternator; Alternator (Remanufactured) |
| 2018 | Toyota | Corolla | 1.8L | L4 | N/A | To 115 Amp Alternator; Alternator (Remanufactured) | |
| 2017 | Toyota | Corolla | 1.8L | L4 | N/A | To 115 Amp Alternator; Alternator (Remanufactured) | |
| 2016 | Toyota | Corolla | 1.8L | L4 | N/A | To 115 Amp Alternator; Alternator (Remanufactured) | |
| 2015 | Toyota | Corolla | 1.8L | L4 | N/A | To 115 Amp Alternator; Alternator (Remanufactured) | |
| 2014 | Toyota | Corolla | 1.8L | L4 | N/A | To 115 Amp Alternator; Alternator (Remanufactured) |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.